CN203721782U - Power lithium battery cover plate - Google Patents

Power lithium battery cover plate Download PDF

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Publication number
CN203721782U
CN203721782U CN201420009370.7U CN201420009370U CN203721782U CN 203721782 U CN203721782 U CN 203721782U CN 201420009370 U CN201420009370 U CN 201420009370U CN 203721782 U CN203721782 U CN 203721782U
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CN
China
Prior art keywords
negative pole
leader
anodal
cover plate
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420009370.7U
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Chinese (zh)
Inventor
陈秀忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU CHUANGNENG NEW ENERGY INDUSTRIAL Co Ltd
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SUZHOU CHUANGNENG NEW ENERGY INDUSTRIAL Co Ltd
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Filing date
Publication date
Application filed by SUZHOU CHUANGNENG NEW ENERGY INDUSTRIAL Co Ltd filed Critical SUZHOU CHUANGNENG NEW ENERGY INDUSTRIAL Co Ltd
Priority to CN201420009370.7U priority Critical patent/CN203721782U/en
Application granted granted Critical
Publication of CN203721782U publication Critical patent/CN203721782U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Gas Exhaust Devices For Batteries (AREA)

Abstract

The utility model discloses a power lithium battery cover plate. The power lithium battery cover plate comprises a cover plate body, a positive base, a negative base, a positive stud, a negative stud, positive pins and negative pins, wherein the first positive pin and the second positive pin are respectively arranged at the opposite positions and are protruded out of two sides of the cover plate body; the first negative pin and the second negative pin are respectively arranged at the opposite positions and are protruded out of the two sides of the cover plate body. According to the power lithium battery cover plate, the first positive pin and the second positive pin are respectively arranged at the opposite positions and are protruded out of the two sides of the cover plate body, and the first negative pin and the second negative pin are respectively arranged at the opposite positions and are protruded out of the two sides of the cover plate body, so that current in a power lithium battery is favorably extracted; meanwhile, an electrode and a welding wire for leading out the current in the power lithium battery are easily welded, and the quality and the service life of the power lithium battery are ensured.

Description

A kind of cover plate of power lithium
Technical field
The utility model relates to the field of battery, particularly relates to a kind of cover plate of power lithium, is applicable to power lithium-ion battery.
Background technology
Power lithium-ion battery is the power supply that power resources are provided, and refers to provide for electric automobile, electric train, electric bicycle, golf cart the storage battery of power more.Electrokinetic cell generally adopts aluminum hull encapsulation, has that volume is little, lightweight, electric weight is strong, a feature such as memoryless and environmental protection, is widely used at present.
Because power lithium-ion battery is hermetically-sealed construction after battery cover board and aluminum hull welding, in the time that battery is short-circuited, air pressure inside can increase rapidly, and the danger of battery explosion easily occurs.Prior art is used the explosive-proof protector of explosion-proof line as battery mostly, and explosion-proof performance is difficult to ensure.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of cover plate of power lithium, the first anodal leader is arranged on respectively relative position with the second anodal leader and protrudes from the both sides of cover board body, the first negative pole leader is arranged on respectively relative position with the second negative pole leader and protrudes from the both sides of cover board body, be conducive to the electric current in dynamic lithium battery to be drawn, also easily weld electrode and the welding lead of extracted current in dynamic lithium battery simultaneously, ensured quality and the useful life of dynamic lithium battery.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of cover plate of power lithium is provided, comprise cover board body, anodal base, negative pole base, anodal double-screw bolt, negative pole double-screw bolt, anodal leader and negative pole leader, described anodal double-screw bolt is arranged on anodal base centre position, described negative pole double-screw bolt is arranged on negative pole base centre position, described anodal base and negative pole floor installation are at the two ends, left and right in cover board body front, described anodal leader and negative pole leader are arranged on the two ends, left and right of cover board body reverse side, described anodal leader comprises the first anodal leader and the second anodal leader, described negative pole leader comprises the first negative pole leader and the second negative pole leader, the first described anodal leader is arranged on respectively relative position with the second anodal leader and protrudes from the both sides of cover board body, the first described negative pole leader is arranged on respectively relative position with the second negative pole leader and protrudes from the both sides of cover board body.
In preferred embodiment of the utility model, described anodal double-screw bolt and anodal base are one-body molded, and described negative pole double-screw bolt and negative pole base are one-body molded, and wherein, described anodal base and negative pole base are rectangle structure.
In preferred embodiment of the utility model, between described anodal base, negative pole base, anodal leader and negative pole leader and cover board body, be also provided with the first seal washer, the second seal washer, the 3rd seal washer and the 4th seal washer.
In preferred embodiment of the utility model, the shape of described the first seal washer, the second seal washer, the 3rd seal washer and the 4th seal washer is identical, is rectangle.
In preferred embodiment of the utility model, the material of described cover board body is aluminium, and its thickness is 1.5mm.
In preferred embodiment of the utility model, the centre position of described cover board body is also provided with rupture pressure disc and anti-explosion cover, and described anti-explosion cover is installed the top of rupture pressure disc and protruded from the front of cover board body.
In preferred embodiment of the utility model, the pure aluminum foil that described rupture pressure disc is circular configuration, its thickness is 0.35mm.
In preferred embodiment of the utility model, described anodal double-screw bolt and the material of anodal base are red copper; Described negative pole double-screw bolt and the material of negative pole base are red copper nickel plating.
In preferred embodiment of the utility model, the material of described anodal leader is fine aluminium; The material of described negative pole leader is red copper nickel plating.
In preferred embodiment of the utility model, described anodal leader and the thickness of negative pole leader are 1mm.
The beneficial effects of the utility model are: cover plate of power lithium of the present utility model, the first anodal leader is arranged on respectively relative position with the second anodal leader and protrudes from the both sides of cover board body, the first negative pole leader is arranged on respectively relative position with the second negative pole leader and protrudes from the both sides of cover board body, be conducive to the electric current in dynamic lithium battery to be drawn, also easily weld electrode and the welding lead of extracted current in dynamic lithium battery simultaneously, ensured quality and the useful life of dynamic lithium battery.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the side structure schematic diagram of cover plate of power lithium one preferred embodiment of the present utility model;
Fig. 2 is the front schematic view of Fig. 1;
Fig. 3 is the reverse side structural representation of Fig. 1;
Being labeled as in accompanying drawing: 1, cover board body, 2, anodal base, 3, negative pole base, 4, anodal double-screw bolt, 5, negative pole double-screw bolt, 6, anodal leader, 7, negative pole leader, 8, the first seal washer, 9, the second seal washer, 10, the 3rd seal washer, 11, the 4th seal washer, 12, rupture pressure disc, 13, anti-explosion cover, 61, the first anodal leader, 62, the second anodal leader, 71, the first negative pole leader, 72, the second negative pole leader.
Embodiment
To the technical scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2 and Fig. 3, the utility model embodiment comprises:
A kind of cover plate of power lithium, comprise cover board body 1, anodal base 2, negative pole base 3, anodal double-screw bolt 4, negative pole double-screw bolt 5, anodal leader 6 and negative pole leader 7, described anodal double-screw bolt 4 is arranged on anodal base 2 centre positions, described negative pole double-screw bolt 5 is arranged on negative pole base 3 centre positions, described anodal base 2 and negative pole base 3 are arranged on the two ends, left and right in cover board body 1 front, described anodal leader 6 and negative pole leader 7 are arranged on the two ends, left and right of cover board body 1 reverse side, described anodal leader 6 comprises the first anodal leader 61 and the second anodal leader 62, described negative pole leader 7 comprises the first negative pole leader 71 and the second negative pole leader 72, the first described anodal leader 61 is arranged on respectively relative position with the second anodal leader 62 and protrudes from the both sides of cover board body 1, the first described negative pole leader 71 is arranged on respectively relative position with the second negative pole leader 72 and protrudes from the both sides of cover board body 1.Wherein, the material of described cover board body 1 is aluminium, and its thickness is 1.5mm.
In above-mentioned, described anodal double-screw bolt 4 and anodal base 2 are one-body molded, and described negative pole double-screw bolt 5 and negative pole base 3 are one-body molded, and wherein, described anodal base 2 and negative pole base 3 are rectangle structure.
Further, between described anodal base 2, negative pole base 3, anodal leader 6 and negative pole leader 7 and cover board body 1, be also provided with the first seal washer 8, the second seal washer 9, the 3rd seal washer 10 and the 4th seal washer 11.In the utility model, the shape of described the first seal washer 8, the second seal washer 9, the 3rd seal washer 10 and the 4th seal washer 11 is identical, is rectangle.Wherein, the material of described the first seal washer 8, the second seal washer 9, the 3rd seal washer 10 and the 4th seal washer 11 is PFA, and its thickness is 0.2-0.8mm, through injection mo(u)lding, has good sealing property, reliability, good stability.
Further, the material of described anodal double-screw bolt 4 and anodal base 2 is red copper; Described negative pole double-screw bolt 5 and the material of negative pole base 3 are red copper nickel plating; The material of described anodal leader 6 is fine aluminium; The material of described negative pole leader 7 is red copper nickel plating.The thickness of the anodal leader 6 described in the utility model and negative pole leader 7 is 1m, and described anodal leader 6 and negative pole leader 7 require annealing in process, and its hardness is for being less than 90HV.Wherein, the first anodal leader 61 is arranged on respectively relative position with the second anodal leader 62 and protrudes from the both sides of cover board body 1, and the first negative pole leader 71 is arranged on respectively relative position with the second negative pole leader 72 and protrudes from the both sides of cover board body 1.
The centre position of the cover board body 1 described in the utility model is also provided with rupture pressure disc 12 and anti-explosion cover 13, and described anti-explosion cover 13 is installed the top of rupture pressure disc 12 and protruded from the front of cover board body 1.Wherein, the pure aluminum foil that described rupture pressure disc 12 is circular configuration, its thickness is 0.35mm, has improved the explosion-proof sensitivity that moment drives valve, anti-explosion cover 13 can effectively avoid that rupture pressure disc 12 is whole launches to outside, makes its battery cover board reach good explosion-proof effect.
The cover plate of power lithium that the utility model discloses, the first anodal leader 61 is arranged on respectively relative position with the second anodal leader 62 and protrudes from the both sides of cover board body 1, the first negative pole leader 71 is arranged on respectively relative position with the second negative pole leader 72 and protrudes from the both sides of cover board body 1, be conducive to the electric current in dynamic lithium battery to be drawn, also easily weld electrode and the welding lead of extracted current in dynamic lithium battery simultaneously, ensured quality and the useful life of dynamic lithium battery.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.

Claims (10)

1. a cover plate of power lithium, it is characterized in that, comprise cover board body, anodal base, negative pole base, anodal double-screw bolt, negative pole double-screw bolt, anodal leader and negative pole leader, described anodal double-screw bolt is arranged on anodal base centre position, described negative pole double-screw bolt is arranged on negative pole base centre position, described anodal base and negative pole floor installation are at the two ends, left and right in cover board body front, described anodal leader and negative pole leader are arranged on the two ends, left and right of cover board body reverse side, described anodal leader comprises the first anodal leader and the second anodal leader, described negative pole leader comprises the first negative pole leader and the second negative pole leader, the first described anodal leader is arranged on respectively relative position with the second anodal leader and protrudes from the both sides of cover board body, the first described negative pole leader is arranged on respectively relative position with the second negative pole leader and protrudes from the both sides of cover board body.
2. power lithium-ion battery aluminum hull cover plate according to claim 1, it is characterized in that, described anodal double-screw bolt and anodal base are one-body molded, and described negative pole double-screw bolt and negative pole base are one-body molded, wherein, described anodal base and negative pole base are rectangle structure.
3. anti-explosion cover plate of power lithium ion according to claim 1, it is characterized in that, between described anodal base, negative pole base, anodal leader and negative pole leader and cover board body, be also provided with the first seal washer, the second seal washer, the 3rd seal washer and the 4th seal washer.
4. anti-explosion cover plate of power lithium ion according to claim 3, is characterized in that, the shape of described the first seal washer, the second seal washer, the 3rd seal washer and the 4th seal washer is identical, is rectangle.
5. cover plate of power lithium according to claim 1, is characterized in that, the material of described cover board body is aluminium, and its thickness is 1.5mm.
6. anti-explosion cover plate of power lithium ion according to claim 1, is characterized in that, the centre position of described cover board body is also provided with rupture pressure disc and anti-explosion cover, and described anti-explosion cover is installed the top of rupture pressure disc and protruded from the front of cover board body.
7. cover plate of power lithium according to claim 6, is characterized in that, the pure aluminum foil that described rupture pressure disc is circular configuration, and its thickness is 0.35mm.
8. cover plate of power lithium according to claim 1, is characterized in that, described anodal double-screw bolt and the material of anodal base are red copper; Described negative pole double-screw bolt and the material of negative pole base are red copper nickel plating.
9. cover plate of power lithium according to claim 1, is characterized in that, the material of described anodal leader is fine aluminium; The material of described negative pole leader is red copper nickel plating.
10. cover plate of power lithium according to claim 1, is characterized in that, described anodal leader and the thickness of negative pole leader are 1mm.
CN201420009370.7U 2014-01-08 2014-01-08 Power lithium battery cover plate Expired - Fee Related CN203721782U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420009370.7U CN203721782U (en) 2014-01-08 2014-01-08 Power lithium battery cover plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420009370.7U CN203721782U (en) 2014-01-08 2014-01-08 Power lithium battery cover plate

Publications (1)

Publication Number Publication Date
CN203721782U true CN203721782U (en) 2014-07-16

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ID=51160914

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420009370.7U Expired - Fee Related CN203721782U (en) 2014-01-08 2014-01-08 Power lithium battery cover plate

Country Status (1)

Country Link
CN (1) CN203721782U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105870363A (en) * 2016-04-28 2016-08-17 常熟高嘉能源科技有限公司 Lithium battery cover plate
CN106450048A (en) * 2016-10-19 2017-02-22 江苏海四达电源股份有限公司 Novel square lithium ion battery cover plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105870363A (en) * 2016-04-28 2016-08-17 常熟高嘉能源科技有限公司 Lithium battery cover plate
CN106450048A (en) * 2016-10-19 2017-02-22 江苏海四达电源股份有限公司 Novel square lithium ion battery cover plate

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140716

Termination date: 20190108